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I'd like to create a postgis raster using GDAL and python. I can get the driver easily: drv = gdal.GetDriverByName("PostGISRaster")But how can I create a new raster table? I can't find any information about drv.Create to explain what to put there....? أكثر...

TweetI’m often asked by colleagues, “What got your attention at UC?” Indeed there isn’t a quick answer for this as there really was so much to see and digest. There were, however, 10 things that jumped out at me and I’m pleased to share in Top 10 style, much the way I do every year. […] أكثر...

Hi Geo-Geeks! This week we’ve got for you something special – Satellite Challenge. Location of 10 satellite pictures to guess… And we promise that it won’t be easy!*Remember to share your score with the world! And to check out our other*GeoawesomeQuizzes! *All pictures used come from Earth View...

I recently migrated my desktop from ArcGIS 10.1 to 10.3.1 and visual studio from 2010 to 2013. I am now getting a problem trying to run an Engine application. It builds fine but when I try to debug it I get the above error. The error occurs right at the start when trying to get a list of...

Hi all please bear with me here... 1) So i added a user to my database via the 'Add User tool' in ArcCatlog, however when i do that user now has privileges to create feature data sets / feature classes in the database. i would prefer that they dont. Is there a way via ArcCatlog to add an user...

Each configurable app in the*configurable apps gallery supports a unique set of tools. You can download the source code for each configurable app to customize which tools are available. After you host your custom template on your web server, you can add that modified version to you...

A small Greek island with a long history rises from the Mediterranean and Aegean seas. أكثر...

AWS Aurora was made generally available this week. Aurora is an exciting piece of technology—the RDBMS effectively re-engineered from the ground up—providing*exceptional performance for high-traffic databases at a comparatively low cost. Read more about it on the AWS blog. Below we’ll*focus...

I am having issues with accessing the QGIS Web Client on a remote web browser despite getting a working GetCapabilities request. I have been able to install QGIS Server and QGIS Web Client on the localhost with success using Ubuntu/Debian. As a result, on the local server, I am able to open up...

I tried to select each feature in the layer "temp" and use the selected feature to select features in the other layer "Railway" based on location and then do some calculations with the "Railway" layer using the values in the "temp" layer. Here is the code: import arcpyfc =...

I want to run an unsupervised classification of two landsat images in qgis. Therefor I want to compute a kMeans and a SOM (self organizing maps classification). Unfortunately it doesnt work. I tried to reinstall and install the new Qgis version (2.10) - and looked for Orfeo Toolbox Uptdates but...

I have line feature class of a river network and “FromTo” table. Lines are dissolved so they are not segmented from junctions. I need to write a Python script in ArcGIS to do following: Begin from the first row in Hydro feature class attribute table and get its ID Insert this ID into “From”...

I've been looking through all of the GRASS commands in the QGIS 2.10 processing toolbox and it seems like one of these must be able to do this but I haven't found one yet. There is 'v.sample' which can sample a DEM at a point location. Is there a way to do something similar to sample a DEM when...

I would like to add a new field to a raster file. Then, I would like to add the new field content. Can I do this with a join of attributes? I know that a raster file can be reclassed. But there are numerous classes. It is quicker to export the original file attribute table, and use it to...

I'm trying to build a large network dataset from OSM data in ArcGIS. Doing it all at once is taking a long time and seems like there is a big opportunity for it to fail at some point which would cause me to have to start over. I would like to be able to ingest smaller dataset so that the...

I am new to Cartodb.I have started with the ne_50m_admin_1_states data.How can I add virgin islands and Puerto Rico?Is there geometry I can get?Is there an easy way to add them?thanks أكثر...

I have a simple GridGeometry2D in Geotools 13.1 that is created like this: GridEnvelope grid = new GridEnvelope2D(0, 0, 100, 100);Envelope2D envelope = new Envelope2D(CRS.decode("EPSG:3857"), 10.0, 10.0, 1.0, 1.0);GridGeometry2D geom = new GridGeometry2D(grid, envelope);For a quick test, I'm...

I have a database table with a dynamic schema implemented via a JSON column named "properties". Currently GeoServer doesn't recognize my JSON column. Is there some way to make Geoserver recognize the column? Or may be if it doesn't work with JSON, is there some way to make it work with...

Is it a good design idea to maintain separate tables for each layer in a PostGIS database?. Every layer is defined by users. A user creates his/her layer say ATM location. Thats meant by defined by users(I dont have control over the table definition of the layers much) This makes it impossible...

PostgreSQL has a module named hstore that implement the use of key/value pairs (it's something like the OpenStreetMap model, but in a single table). What are the Pros and Cons of hstore regarding GIS compatibilities, data adding and retrieving? أكثر...